Let's get this math done. We have 633 and we're going to multiply it by 242. This is the same as taking 633 and adding it to itself 242 times.
Step 1: 0 + 633 = 633
Step 2: 633 + 633 = 1266
Step 3: 1266 + 633 = 1899
Step 4: 1899 + 633 = 2532
Step 5: 2532 + 633 = 3165
Step 6: 3165 + 633 = 3798
Step 7: 3798 + 633 = 4431
Step 8: 4431 + 633 = 5064
Step 9: 5064 + 633 = 5697
Step 10: 5697 + 633 = 6330
Step 11: 6330 + 633 = 6963
Step 12: 6963 + 633 = 7596
Step 13: 7596 + 633 = 8229
Step 14: 8229 + 633 = 8862
Step 15: 8862 + 633 = 9495
Step 16: 9495 + 633 = 10128
Step 17: 10128 + 633 = 10761
Step 18: 10761 + 633 = 11394
Step 19: 11394 + 633 = 12027
Step 20: 12027 + 633 = 12660
Step 21: 12660 + 633 = 13293
Step 22: 13293 + 633 = 13926
Step 23: 13926 + 633 = 14559
Step 24: 14559 + 633 = 15192
Step 25: 15192 + 633 = 15825
Step 26: 15825 + 633 = 16458
Step 27: 16458 + 633 = 17091
Step 28: 17091 + 633 = 17724
Step 29: 17724 + 633 = 18357
Step 30: 18357 + 633 = 18990
Step 31: 18990 + 633 = 19623
Step 32: 19623 + 633 = 20256
Step 33: 20256 + 633 = 20889
Step 34: 20889 + 633 = 21522
Step 35: 21522 + 633 = 22155
Step 36: 22155 + 633 = 22788
Step 37: 22788 + 633 = 23421
Step 38: 23421 + 633 = 24054
Step 39: 24054 + 633 = 24687
Step 40: 24687 + 633 = 25320
Step 41: 25320 + 633 = 25953
Step 42: 25953 + 633 = 26586
Step 43: 26586 + 633 = 27219
Step 44: 27219 + 633 = 27852
Step 45: 27852 + 633 = 28485
Step 46: 28485 + 633 = 29118
Step 47: 29118 + 633 = 29751
Step 48: 29751 + 633 = 30384
Step 49: 30384 + 633 = 31017
Step 50: 31017 + 633 = 31650
Step 51: 31650 + 633 = 32283
Step 52: 32283 + 633 = 32916
Step 53: 32916 + 633 = 33549
Step 54: 33549 + 633 = 34182
Step 55: 34182 + 633 = 34815
Step 56: 34815 + 633 = 35448
Step 57: 35448 + 633 = 36081
Step 58: 36081 + 633 = 36714
Step 59: 36714 + 633 = 37347
Step 60: 37347 + 633 = 37980
Step 61: 37980 + 633 = 38613
Step 62: 38613 + 633 = 39246
Step 63: 39246 + 633 = 39879
Step 64: 39879 + 633 = 40512
Step 65: 40512 + 633 = 41145
Step 66: 41145 + 633 = 41778
Step 67: 41778 + 633 = 42411
Step 68: 42411 + 633 = 43044
Step 69: 43044 + 633 = 43677
Step 70: 43677 + 633 = 44310
Step 71: 44310 + 633 = 44943
Step 72: 44943 + 633 = 45576
Step 73: 45576 + 633 = 46209
Step 74: 46209 + 633 = 46842
Step 75: 46842 + 633 = 47475
Step 76: 47475 + 633 = 48108
Step 77: 48108 + 633 = 48741
Step 78: 48741 + 633 = 49374
Step 79: 49374 + 633 = 50007
Step 80: 50007 + 633 = 50640
Step 81: 50640 + 633 = 51273
Step 82: 51273 + 633 = 51906
Step 83: 51906 + 633 = 52539
Step 84: 52539 + 633 = 53172
Step 85: 53172 + 633 = 53805
Step 86: 53805 + 633 = 54438
Step 87: 54438 + 633 = 55071
Step 88: 55071 + 633 = 55704
Step 89: 55704 + 633 = 56337
Step 90: 56337 + 633 = 56970
Step 91: 56970 + 633 = 57603
Step 92: 57603 + 633 = 58236
Step 93: 58236 + 633 = 58869
Step 94: 58869 + 633 = 59502
Step 95: 59502 + 633 = 60135
Step 96: 60135 + 633 = 60768
Step 97: 60768 + 633 = 61401
Step 98: 61401 + 633 = 62034
Step 99: 62034 + 633 = 62667
Step 100: 62667 + 633 = 63300
Step 101: 63300 + 633 = 63933
Step 102: 63933 + 633 = 64566
Step 103: 64566 + 633 = 65199
Step 104: 65199 + 633 = 65832
Step 105: 65832 + 633 = 66465
Step 106: 66465 + 633 = 67098
Step 107: 67098 + 633 = 67731
Step 108: 67731 + 633 = 68364
Step 109: 68364 + 633 = 68997
Step 110: 68997 + 633 = 69630
Step 111: 69630 + 633 = 70263
Step 112: 70263 + 633 = 70896
Step 113: 70896 + 633 = 71529
Step 114: 71529 + 633 = 72162
Step 115: 72162 + 633 = 72795
Step 116: 72795 + 633 = 73428
Step 117: 73428 + 633 = 74061
Step 118: 74061 + 633 = 74694
Step 119: 74694 + 633 = 75327
Step 120: 75327 + 633 = 75960
Step 121: 75960 + 633 = 76593
Step 122: 76593 + 633 = 77226
Step 123: 77226 + 633 = 77859
Step 124: 77859 + 633 = 78492
Step 125: 78492 + 633 = 79125
Step 126: 79125 + 633 = 79758
Step 127: 79758 + 633 = 80391
Step 128: 80391 + 633 = 81024
Step 129: 81024 + 633 = 81657
Step 130: 81657 + 633 = 82290
Step 131: 82290 + 633 = 82923
Step 132: 82923 + 633 = 83556
Step 133: 83556 + 633 = 84189
Step 134: 84189 + 633 = 84822
Step 135: 84822 + 633 = 85455
Step 136: 85455 + 633 = 86088
Step 137: 86088 + 633 = 86721
Step 138: 86721 + 633 = 87354
Step 139: 87354 + 633 = 87987
Step 140: 87987 + 633 = 88620
Step 141: 88620 + 633 = 89253
Step 142: 89253 + 633 = 89886
Step 143: 89886 + 633 = 90519
Step 144: 90519 + 633 = 91152
Step 145: 91152 + 633 = 91785
Step 146: 91785 + 633 = 92418
Step 147: 92418 + 633 = 93051
Step 148: 93051 + 633 = 93684
Step 149: 93684 + 633 = 94317
Step 150: 94317 + 633 = 94950
Step 151: 94950 + 633 = 95583
Step 152: 95583 + 633 = 96216
Step 153: 96216 + 633 = 96849
Step 154: 96849 + 633 = 97482
Step 155: 97482 + 633 = 98115
Step 156: 98115 + 633 = 98748
Step 157: 98748 + 633 = 99381
Step 158: 99381 + 633 = 100014
Step 159: 100014 + 633 = 100647
Step 160: 100647 + 633 = 101280
Step 161: 101280 + 633 = 101913
Step 162: 101913 + 633 = 102546
Step 163: 102546 + 633 = 103179
Step 164: 103179 + 633 = 103812
Step 165: 103812 + 633 = 104445
Step 166: 104445 + 633 = 105078
Step 167: 105078 + 633 = 105711
Step 168: 105711 + 633 = 106344
Step 169: 106344 + 633 = 106977
Step 170: 106977 + 633 = 107610
Step 171: 107610 + 633 = 108243
Step 172: 108243 + 633 = 108876
Step 173: 108876 + 633 = 109509
Step 174: 109509 + 633 = 110142
Step 175: 110142 + 633 = 110775
Step 176: 110775 + 633 = 111408
Step 177: 111408 + 633 = 112041
Step 178: 112041 + 633 = 112674
Step 179: 112674 + 633 = 113307
Step 180: 113307 + 633 = 113940
Step 181: 113940 + 633 = 114573
Step 182: 114573 + 633 = 115206
Step 183: 115206 + 633 = 115839
Step 184: 115839 + 633 = 116472
Step 185: 116472 + 633 = 117105
Step 186: 117105 + 633 = 117738
Step 187: 117738 + 633 = 118371
Step 188: 118371 + 633 = 119004
Step 189: 119004 + 633 = 119637
Step 190: 119637 + 633 = 120270
Step 191: 120270 + 633 = 120903
Step 192: 120903 + 633 = 121536
Step 193: 121536 + 633 = 122169
Step 194: 122169 + 633 = 122802
Step 195: 122802 + 633 = 123435
Step 196: 123435 + 633 = 124068
Step 197: 124068 + 633 = 124701
Step 198: 124701 + 633 = 125334
Step 199: 125334 + 633 = 125967
Step 200: 125967 + 633 = 126600
Step 201: 126600 + 633 = 127233
Step 202: 127233 + 633 = 127866
Step 203: 127866 + 633 = 128499
Step 204: 128499 + 633 = 129132
Step 205: 129132 + 633 = 129765
Step 206: 129765 + 633 = 130398
Step 207: 130398 + 633 = 131031
Step 208: 131031 + 633 = 131664
Step 209: 131664 + 633 = 132297
Step 210: 132297 + 633 = 132930
Step 211: 132930 + 633 = 133563
Step 212: 133563 + 633 = 134196
Step 213: 134196 + 633 = 134829
Step 214: 134829 + 633 = 135462
Step 215: 135462 + 633 = 136095
Step 216: 136095 + 633 = 136728
Step 217: 136728 + 633 = 137361
Step 218: 137361 + 633 = 137994
Step 219: 137994 + 633 = 138627
Step 220: 138627 + 633 = 139260
Step 221: 139260 + 633 = 139893
Step 222: 139893 + 633 = 140526
Step 223: 140526 + 633 = 141159
Step 224: 141159 + 633 = 141792
Step 225: 141792 + 633 = 142425
Step 226: 142425 + 633 = 143058
Step 227: 143058 + 633 = 143691
Step 228: 143691 + 633 = 144324
Step 229: 144324 + 633 = 144957
Step 230: 144957 + 633 = 145590
Step 231: 145590 + 633 = 146223
Step 232: 146223 + 633 = 146856
Step 233: 146856 + 633 = 147489
Step 234: 147489 + 633 = 148122
Step 235: 148122 + 633 = 148755
Step 236: 148755 + 633 = 149388
Step 237: 149388 + 633 = 150021
Step 238: 150021 + 633 = 150654
Step 239: 150654 + 633 = 151287
Step 240: 151287 + 633 = 151920
Step 241: 151920 + 633 = 152553
Step 242: 152553 + 633 = 153186

So, 633*242 = 153186